TYPE. UNITED STATES. Pennsylvania, Dauphin County, State GameLands #210, lower E slopes of Peters Mountain, ~5 mi NE of Carsonville, N of PA325, above De Hart Reservoir, mixed hardwood-hemlock forest with sandstone boulders and many small streams, 10.III.2007, on Acer base, J.C. Lendemer 8645 & J. Stabley (NY, holotype; COLO, GZU, isotypes).
Life form. Lichenized fungus
Description.Thallus crustose, continuous to granular, greenish gray to brownish green; prothallus lacking or present between granules, whitish. Photobiont chlorococcoid alga; cells ~ 15 μm diam. Vegetative diaspores soredia, laminal, erumpent from surface, initially discrete, expanding to diffuse, irregular, rarely become extended, confluent patches; soredia fine, bright green, paler than thallus, 25-50 μm diam. Ascomata biatorine apothecia, very rare, identical to those of B. schweinitzii. Conidiomata not seen.
Chemistry. Atronorin in thallus, not detectible with spot tests.
Substrate and habitat. Corticolous in humid forests.
Distribution. Southeastern North America; in North Carolina found in Blue Ridge and Coastal Plain ecoregions, expected throughout.
Literature
Lendemer, J.C., R.C. Harris & D. Ladd (2016) The faces of Bacidia schweinitzii: molecular and morphological data reveal three new species including a widespread sorediate morph. The Bryologist119(2): 143-171.
Lendemer, J.C. & N. Noell. (2018) Delmarva Lichens: An illustrated manual. Memoirs of the Torrey Botanical Society28: 1-386.